diff --git a/MergerLogic/MergerLogic.csproj b/MergerLogic/MergerLogic.csproj
index 19ff421..88cd892 100644
--- a/MergerLogic/MergerLogic.csproj
+++ b/MergerLogic/MergerLogic.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.S3" Version="3.7.9.21" />
+    <PackageReference Include="AWSSDK.S3" Version="4.0.18" />
     <PackageReference Include="Macross.Json.Extensions" Version="3.0.0" />
     <PackageReference Include="Magick.NET-Q8-AnyCPU" Version="12.1.0" />
     <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="5.2.9" />